An institutional holder
Filed with the SEC on · accession 0000919574-26-005498
STRO filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 14, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -3.9% by the first close after the filing.
An institutional holder filed an amended Schedule 13G regarding its beneficial ownership position in Sutro Biopharma, Inc. The filing indicates a change in the holder's ownership stake.
Close before
$21.31
Aug 13, 2026
First close after
-3.89%
$20.48
5 trading days
-0.66%
$21.17
Since filing
-54.86%
$9.62
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Click hereSTRO filed a SCHEDULE 13G/A (SEC filing). An institutional holder filed an amended Schedule 13G regarding its beneficial ownership position in Sutro Biopharma, Inc. The filing indicates a change in the holder's ownership stake.
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).
STRO closed at $21.31 before the filing and $20.48 on Aug 14, 2026 (-3.89%). Five trading days later: $21.17 (-0.66%).
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